Lunchbox with cooler/warmer



FIG. 1 is a front, top, right side perspective view of a lunchbox with cooler/warmer showing our new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view thereof with the flexible strap shown in broken lines.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a lunchbox with cooler/warmer, as shown and described. 